Idaho Springs, CO Weather & Growing Conditions
Overnight
25°F
Mostly Cloudy
Mostly cloudy, with a low around 25. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 25°F | Mostly Cloudy | 5 mph W | 0% |
| Wednesday | 52°F | Chance Snow Showers | 5 to 12 mph S | 60% |
| Wednesday Night | 24°F | Snow Showers Likely | 5 mph NW | 60% |
| Thursday | 53°F | Sunny | 2 to 8 mph SSE | 0% |
| Thursday Night | 27°F | Partly Cloudy | 2 to 6 mph WSW | 2% |
| Friday | 53°F | Chance Snow Showers | 2 to 7 mph WNW | 30% |
| Friday Night | 24°F | Chance Rain And Snow Showers then Partly Cloudy | 2 to 9 mph W | 26% |
| Saturday | 56°F | Sunny | 1 to 10 mph NW | 3% |
| Saturday Night | 26°F | Mostly Clear | 3 to 9 mph WNW | 0% |
| Sunday | 64°F | Sunny | 6 to 13 mph WNW | 0% |
| Sunday Night | 30°F | Mostly Clear | 10 to 15 mph W | 0% |
| Monday | 63°F | Sunny | 2 to 10 mph WNW | 0% |
| Monday Night | 31°F | Partly Cloudy | 2 to 8 mph W | 1% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Idaho Springs, CO
Last spring frost
May 30
First fall frost
Sep 19
Growing season
112 days
Hardiness zone
5b
Explore more for Idaho Springs, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Georgetown, Co (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.